Answers

Subtract 45/80 from 63/5

1^st number: 12 3/5, 2^nd number: 45/80

63/5 - 45/80 is 963/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   63/5 = 63 × 16/5 × 16 = 1008/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   45/80 = 45 × 1/80 × 1 = 45/80
4. Subtract the two like fractions:
   1008/80 - 45/80 = 1008 - 45/80 = 963/80
5. In mixed form: 123/80

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